Senior Full Stack Engineer Position Available In Kings, New York

Senior Full Stack Engineer
My client is looking for a Senior Full Stack Software Engineer to join their engineering team and help architect, build, and scale their AI procurement platform. You’ll work directly with the founding team to lead critical technical initiatives and drive architectural decisions that shape the product. You will contribute across the entire stack while providing technical leadership, mentoring junior engineers, and establishing engineering best practices. Your expertise will be crucial in building robust, scalable systems that power AI-driven procurement solutions. This is an excellent opportunity for an experienced engineer who wants to make a significant impact in a fast-growing startup, taking ownership of complex technical challenges and helping define the engineering culture. What You’ll Do
Architect, design, and implement scalable solutions across the full stack
Lead the development of complex features using React/TypeScript, NestJS, and PostgreSQL
Define and implement data models, APIs, and services that power the AI procurement platform
Develop AI-powered features by leveraging LLM APIs and vector databases
Build and optimize data pipelines for processing customer data
Contribute to infrastructure development and deployment using Terraform and AWS
Establish engineering best practices, coding standards, and testing methodologies
Mentor junior engineers and provide technical guidance to the team
Collaborate with the product team to translate business requirements into technical solutions
Make key architectural decisions that enable the platform to scale What You’ll Need
5+ years of professional experience as a full-stack or backend engineer, ideally in a high-growth startup or fast-paced, dynamic environment
Ability to navigate ambiguity and deliver in evolving product & technical landscapes
Expert knowledge of JavaScript/TypeScript, with strong coding and system design skills
Extensive experience with React and modern front-end architectures
Proven track record building robust back-end systems with Node.js and RESTful APIs
Strong experience with relational databases, SQL, and data modeling
Hands-on experience with AI models or LLM APIs (e.g., OpenAI, LangChain) in real-world products or internal tools
Experience with infrastructure as code (IaC) and cloud computing platforms
Knowledge of software development best practices, including CI/CD, testing, and code quality
Excellent problem-solving and debugging skills, with a proactive, ownership-driven mindset
Strong communication skills and ability to collaborate across teams in fast iteration cycles Technical Requirements
Advanced React/TypeScript development skills and component architecture expertise
Proficiency with NestJS, MikroORM, or similar TypeScript back-end frameworks
Experience with PostgreSQL database design, optimization, and management
Knowledge of AWS services (ECS, Lambda, S3, SQS, API Gateway)
Experience with Terraform or similar IaC tools for managing cloud infrastructure
Familiarity with integrating LLM APIs (e.g. OpenAI, Anthropic)
Experience with prompt engineering, chaining, and orchestration frameworks (e.g. LangChain) to support dynamic AI workflows and agent-based logic
Experience building and optimizing data pipelines and ETL processes
Familiarity with containerization technologies (Docker, Kubernetes)
Experience with automated testing frameworks (Playwright, Jest) Nice to Have
Background in procurement, supply chain, or B2B SaaS domains
Experience scaling systems from early-stage to production
Knowledge of real-time data processing and event-driven architectures
Prior startup experience, particularly in early-stage environments
Open-source contributions or technical blog writing
Welcome to ConsultNet and the family of companies, Tekne, SaltClick, TechBridge, and OmniMedia. As a premier national provider of technology talent and solutions, our expertise spans across project services, contract-to-hire, direct placement, and managed services both onshore and nearshore. Celebrating more than 25 years of partnership with a diverse client base, we’ve crafted rewarding opportunities for our consultants, fostering high-performing teams that deliver impactful results. Over the last few years thousands of consultants have found their calling with us in roles that have made a meaningful impact on their lives, enhanced their career, challenged them, and propelled them towards achieving their personal and professional goals. At the ConsultNet family of companies, we believe effective communication is crucial in aligning the right job with your unique skills and professional aspirations. To us, it’s all about the personal approach we take and the values we uphold. Our comprehensive service offerings cover a wide range of technology positions across key markets nationwide. Client more at . We champion equality and inclusivity, proudly supporting an Equal Opportunity Employer policy. We welcome applicants regardless of Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other status protected by law.
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Position Id:

25-03435